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Alpha Hydraulic Assembly Complete 3.016973

Alpha

Alpha Hydraulic Assembly Complete 3.016973

Complete hydraulic assembly for Alpha CD35C LPG gas boilers, controlling flow between central heating and hot water.

At a glance

  • Appliance family: Alpha CD35C LPG
  • Also known as HYDRAULIC-ASSEMBLY-COMPLETE, 1258013
Manufacturer part no.
3.016973
Showing prices

£434.74

£362.28 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Alpha 3.016973 is a complete hydraulic assembly for Alpha gas boilers, supplied as a single unit. It forms part of the boiler's water circuit and controls the diversion of flow between central heating and domestic hot water. This assembly is listed for the Alpha CD35C LPG.

Signs this part needs replacing

  • Domestic hot water runs cold or fluctuates while central heating continues to work
  • Boiler does not switch correctly between heating and hot water modes
  • Water leaking from the hydraulic assembly or diverter body
  • Reduced or intermittent hot water flow at the tap
  • Boiler locks out or faults when hot water is demanded

Before you order

  • Confirm the boiler model is the Alpha CD35C LPG
  • Check the GC number on the appliance data badge against 47-532-36
  • Verify the existing part number is 3.016973
  • Confirm the appliance is the LPG variant, as this assembly is listed for LPG models

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.